Calculer le bilan énergétique de la neutralisation suivante :
HCl + NaOH → NaCl +H₂O

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

If a solution had a ph of 7 what is the solution